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OCR Physics A level question - Galileo and Aristotle. Watch

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    (Original post by wibel)
    Could anyone tell me if there is any difference between 'instantaneous speed' and 'instantaneous velocity', if yes what is the difference and if not then why not? please explain thank you
    Speed is a scalar quantity, velocity is a vector. Instantaneous speed might be 4m/s or 40mph. To get an instantaneous velocity we need a direction as well (all vectors have both magnitude and direction remember, scalars have only magnitude).
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    Thanks MEX
 
 
 
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